{"id":6130,"date":"2019-07-17T11:18:15","date_gmt":"2019-07-17T08:18:15","guid":{"rendered":"https:\/\/umram.bilkent.edu.tr\/?p=6130"},"modified":"2019-07-18T13:41:52","modified_gmt":"2019-07-18T10:41:52","slug":"distinct-representations-in-occipito-temporal-parietal-and-premotor-cortex-during-action-perception-revealed-by-fmri-and-computational-modeling-2","status":"publish","type":"post","link":"https:\/\/umram.bilkent.edu.tr\/index.php\/tr\/2019\/07\/17\/distinct-representations-in-occipito-temporal-parietal-and-premotor-cortex-during-action-perception-revealed-by-fmri-and-computational-modeling-2\/","title":{"rendered":"Umram akademisyenlerinden Dr.Burcu Ay\u015fe \u00dcrgen&#8217;in, Neuropsychologia dergisinde, insan beynindeki fMRI ve hesaplamal\u0131 modelleme kullan\u0131larak g\u00f6rsel eylem temsillerinin ara\u015ft\u0131r\u0131lmas\u0131 konulu makalesi yay\u0131mland\u0131."},"content":{"rendered":"<p>\n<\/p><p><!--StartFragment--><\/p>\n\n\n<p>UMRAM ve Psikoloji ve Sinirbilim fak\u00fcltesi&#8217;nden Dr. Burcu Ay\u015fen \u00dcrgen, Neuropsychologia&#8217;da fMRI ve hesaplamal\u0131 modellemenin ortaya \u00e7\u0131kard\u0131\u011f\u0131 aksiyon alg\u0131s\u0131 s\u0131ras\u0131ndaki &#8220;Oksipito-temporal, parietal ve premotor kortekste belirgin temsilleri&#8221; ba\u015fl\u0131kl\u0131 bir makale yay\u0131nlad\u0131. Projedeki ortaklar\u0131 aras\u0131nda UC San Diego&#8217;dan Dr. Ay\u015fe P. Saygin ve TED \u00dcniversitesi&#8217;nden Dr. Selen Pehlivan bulunuyor. Proje, insan beynindeki fMRI ve hesaplamal\u0131 modelleme kullan\u0131larak g\u00f6rsel eylem temsillerini ara\u015ft\u0131r\u0131yor.<\/p>\n\n\n\n<p>\u00d6zet: Eylemlerin g\u00f6rsel olarak i\u015flenmesi, insan beynindeki oksipito-zamansal, parietal ve premotor b\u00f6lgelerden olu\u015fan ve Eylem G\u00f6zlem A\u011f\u0131 (AON) olarak bilinen bir a\u011f taraf\u0131ndan desteklenir. Bu \u00e7al\u0131\u015fmada, g\u00f6rsel olarak alg\u0131lanan eylemlerin hangi y\u00f6nlerinin bu a\u011fda fMRI ve hesaplamal\u0131 modelleme kullan\u0131larak temsil edildi\u011fini ara\u015ft\u0131rd\u0131k. \u0130nsan denekler tarama s\u0131ras\u0131nda bir aksiyon alg\u0131lama g\u00f6revi ger\u00e7ekle\u015ftirmi\u015ftir. Uyar\u0131c\u0131lar\u0131n \u015fekil ve hareket gibi tamamen g\u00f6rsel \u00f6zelliklerden bilgisayar vizyonu ve kategorik modelleme gibi niyet gibi y\u00fcksek \u00f6zelliklere kadar farkl\u0131 y\u00f6nlerini karakterize ettik. Daha sonra uyaran modellerini temsili benzerlik analizi ile AON&#8217;nin \u00fc\u00e7 d\u00fc\u011f\u00fcm\u00fcne ba\u011flad\u0131k. Sonu\u00e7lar\u0131m\u0131z, a\u011f\u0131n farkl\u0131 d\u00fc\u011f\u00fcmlerinin eylemlerin farkl\u0131 y\u00f6nlerini temsil etti\u011fini g\u00f6stermektedir. Oksipito-temporal korteks, form ve hareket bilgisini b\u00fct\u00fcnle\u015ftirmek yoluyla eylemlerin g\u00f6rsel analizini yaparken, parietal korteks bu g\u00f6rsel g\u00f6sterimler \u00fczerine in\u015fa edilir ve bunlar\u0131 eylemin hedefini, eylem t\u00fcr\u00fcn\u00fc ve amac\u0131n\u0131 kodlayan daha soyut ve anlamsal g\u00f6sterimlere d\u00f6n\u00fc\u015ft\u00fcr\u00fcr. Birlikte ele al\u0131nd\u0131\u011f\u0131nda, bu sonu\u00e7lar, eylemlerin g\u00f6rsel alg\u0131lanmas\u0131n\u0131 destekleyen ve AON&#8217;un, korteks kodunun artan seviyelerinin giderek daha karma\u015f\u0131k \u00f6zelliklere sahip oldu\u011fu hiyerar\u015fik bir sistem oldu\u011fu konusunda destek veren n\u00f6ro-hesaplama mekanizmalar\u0131na \u0131\u015f\u0131k tutuyor.<\/p>\n\n\n\n<p>\n\nUrgen, B. A., Pehlivan, S., &amp; Saygin, A. P. (2019). Distinct representations in occipito-temporal, parietal, and premotor cortex during action perception revealed by fMRI and computational modeling.&nbsp;<em>Neuropsychologia<\/em>,&nbsp;<em>127<\/em>, 35\u201347.&nbsp;<a href=\"http:\/\/doi.org\/10.1016\/j.neuropsychologia.2019.02.006\"><strong>http:\/\/doi.org\/10.1016\/j.neuropsychologia.2019.02.006<\/strong><\/a><\/p>\n\n\n<p><!--EndFragment--><\/p>\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>UMRAM ve Psikoloji ve Sinirbilim fak\u00fcltesi&#8217;nden Dr. Burcu Ay\u015fen \u00dcrgen, Neuropsychologia&#8217;da fMRI ve hesaplamal\u0131 modellemenin ortaya \u00e7\u0131kard\u0131\u011f\u0131 aksiyon alg\u0131s\u0131 s\u0131ras\u0131ndaki &#8220;Oksipito-temporal, parietal ve premotor kortekste belirgin temsilleri&#8221; ba\u015fl\u0131kl\u0131 bir makale yay\u0131nlad\u0131. Projedeki ortaklar\u0131 aras\u0131nda UC San Diego&#8217;dan Dr. Ay\u015fe P. Saygin ve TED \u00dcniversitesi&#8217;nden Dr. Selen Pehlivan bulunuyor. Proje, insan beynindeki fMRI ve hesaplamal\u0131 modelleme [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":5170,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[445],"tags":[],"_links":{"self":[{"href":"https:\/\/umram.bilkent.edu.tr\/index.php\/wp-json\/wp\/v2\/posts\/6130"}],"collection":[{"href":"https:\/\/umram.bilkent.edu.tr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/umram.bilkent.edu.tr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/umram.bilkent.edu.tr\/index.php\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/umram.bilkent.edu.tr\/index.php\/wp-json\/wp\/v2\/comments?post=6130"}],"version-history":[{"count":2,"href":"https:\/\/umram.bilkent.edu.tr\/index.php\/wp-json\/wp\/v2\/posts\/6130\/revisions"}],"predecessor-version":[{"id":6149,"href":"https:\/\/umram.bilkent.edu.tr\/index.php\/wp-json\/wp\/v2\/posts\/6130\/revisions\/6149"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/umram.bilkent.edu.tr\/index.php\/wp-json\/wp\/v2\/media\/5170"}],"wp:attachment":[{"href":"https:\/\/umram.bilkent.edu.tr\/index.php\/wp-json\/wp\/v2\/media?parent=6130"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/umram.bilkent.edu.tr\/index.php\/wp-json\/wp\/v2\/categories?post=6130"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/umram.bilkent.edu.tr\/index.php\/wp-json\/wp\/v2\/tags?post=6130"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}